test

Write compressed_state_table.md #551

Job	Run time
check-misc (head)	8s
test-memory (head)	55s
steep-check (head)	33s
test-ruby (head, master)	5m 56s
test-ruby (3.0, master)	5m 57s
test-windows (head)	1m 59s
ruby-versions / Generate Ruby versions	1s
test-cpp (head, g++)	20s
test-cpp (head, clang++)	21s
test (2.5)	31s
test (2.6)	32s
test (2.7)	28s
test (3.0)	11s
test (3.1)	17s
test (3.2)	14s
test (3.3)	17s
test (head)	12s
	18m 52s

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